[Xen-changelog] [xen-3.2-testing] ioemu: advertise write cache feature

["Xen patchbot-3.2-testing" <patchbot-3.2-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1207577611 -3600
# Node ID 4b621f5018b9aabce50d1e0e7bdc8db3e1ba21a0
# Parent  e6db1dd73d78d18b9d139936854f8ca0e67793c0
ioemu: advertise write cache feature

Signed-off-by: Samuel Thibault <samuel.thibault@xxxxxxxxxxxxx>
xen-unstable changeset:   17390:80f3c86feb7f9069dfd2c0cf64302cbce67da6af
xen-unstable date:        Fri Apr 04 15:43:01 2008 +0100
---
 tools/ioemu/hw/ide.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletion(-)

diff -r e6db1dd73d78 -r 4b621f5018b9 tools/ioemu/hw/ide.c
--- a/tools/ioemu/hw/ide.c      Mon Apr 07 15:13:07 2008 +0100
+++ b/tools/ioemu/hw/ide.c      Mon Apr 07 15:13:31 2008 +0100
@@ -645,7 +645,8 @@ static void ide_identify(IDEState *s)
     put_le16(p + 68, 120);
     put_le16(p + 80, 0xf0); /* ata3 -> ata6 supported */
     put_le16(p + 81, 0x16); /* conforms to ata5 */
-    put_le16(p + 82, (1 << 14));
+    /* 14=nop 5=write_cache */
+    put_le16(p + 82, (1 << 14) | (1 << 5));
     /* 13=flush_cache_ext,12=flush_cache,10=lba48 */
     put_le16(p + 83, (1 << 14) | (1 << 13) | (1 <<12) | (1 << 10));
     put_le16(p + 84, (1 << 14));

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